Recent calls to focus on identity formation in medicine propose that educators establish as a goal of medical education the support and guidance of students and residents as they develop their professional identity. Those entering medical school arrive with a personal identity formed since birth. As they proceed through the educational continuum, they successively develop the identity of a medical student, a resident, and a physician. Each individual's journey from layperson to skilled professional is unique and is affected by "who they are" at the beginning and "who they wish to become."Identity formation is a dynamic process achieved through socialization; it results in individuals joining the medical community of practice. Multiple factors within and outside of the educational system affect the formation of an individual's professional identity. Each learner reacts to different factors in her or his own fashion, with the anticipated outcome being the emergence of a professional identity. However, the inherent logic in the related processes of professional identity formation and socialization may be obscured by their complexity and the large number of factors involved.Drawing on the identity formation and socialization literature, as well as experience gained in teaching professionalism, the authors developed schematic representations of these processes. They adapted them to the medical context to guide educators as they initiate educational interventions, which aim to explicitly support professional identity formation and the ultimate goal of medical education-to ensure that medical students and residents come to "think, act, and feel like a physician."

Teaching medical professionalism is a fundamental component of medical education. The objective is to ensure that students understand the nature of professionalism and its obligations and internalize the value system of the medical profession. The recent emergence of interest in the medical literature on professional identity formation gives reason to reexamine this objective. The unstated aim of teaching professionalism has been to ensure the development of practitioners who possess a professional identity. The teaching of medical professionalism therefore represents a means to an end.The principles of identity formation that have been articulated in educational psychology and other fields have recently been used to examine the process through which physicians acquire their professional identities. Socialization-with its complex networks of social interaction, role models and mentors, experiential learning, and explicit and tacit knowledge acquisition-influences each learner, causing them to gradually "think, act, and feel like a physician."The authors propose that a principal goal of medical education be the development of a professional identity and that educational strategies be developed to support this new objective. The explicit teaching of professionalism and emphasis on professional behaviors will remain important. However, expanding knowledge of identity formation in medicine and of socialization in the medical environment should lend greater logic and clarity to the educational activities devoted to ensuring that the medical practitioners of the future will possess and demonstrate the qualities of the "good physician."

In conclusion, many of the NICE recommendations will prove beneficial in ensuring that women with preexisting or gestational diabetes receive comprehensive care that aims to minimise risks to mother and baby. The recommendations will be most helpful for clinicians managing predominantly white women with type 1 diabetes and a high uptake of medical care and low deprivation; however, in areas with an increasingly obese, ethnically diverse population and a high risk of type 2 and gestational diabetes, implementation will be more challenging.

In 1990, George Miller published an article entitled "The Assessment of Clinical Skills/Competence/Performance" that had an immediate and lasting impact on medical education. In his classic article, he stated that no single method of assessment could encompass the intricacies and complexities of medical practice. To provide a structured approach to the assessment of medical competence, he proposed a pyramidal structure with four levels, each of which required specific methods of assessment. As is well known, the layers are "Knows," "Knows How," "Shows How," and "Does." Miller's pyramid has guided assessment since its introduction; it has also been used to assist in the assessment of professionalism.The recent emphasis on professional identity formation has raised questions about the appropriateness of "Does" as the highest level of aspiration. It is believed that a more reliable indicator of professional behavior is the incorporation of the values and attitudes of the professional into the identity of the aspiring physician. It is therefore proposed that a fifth level be added at the apex of the pyramid. This level, reflecting the presence of a professional identity, should be "Is," and methods of assessing progress toward a professional identity and the nature of the identity in formation should be guided by currently available methods.

Over the past twenty-five years, professionalism has emerged as a substantive and sustained theme, the operationalization and measurement of which, has become a major concern for those involved in medical education. However, how to go about establishing the elements that constitute appropriate professionalism in order to assess them is difficult. Using a discourse analysis approach, the International Ottawa Conference Working Group on Professionalism (IOCPWG) studied some of the dominant notions of professionalism, and in particular the implications for its assessment. The results presented here reveal different ways of thinking about professionalism that can lead toward a multi-dimensional, multi-paradigmatic approach to assessing professionalism at different levels: individual, inter-personal, societal-institutional. Recommendations for research about professionalism assessment are also presented.

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There are educational principles that apply to the teaching of professionalism during undergraduate education and postgraduate training. It is axiomatic that there is a single cognitive base that applies with increasing moral force as students enter medical school, progress to residency or registrar training, and enter practice. While parts of this body of knowledge are easier to teach and learn at different stages of an individual's career, it remains a definable whole at all times and should be taught as such. While the principle that self-reflection on theoretical and real issues encountered in the life of a student, resident or practitioner is essential to the acquisition of experiential learning and the incorporation of the values and behaviors of the professional, the opportunities to provide situations where this can take place will change as an individual progresses through the system, as will the sophistication of the level of learning. Teaching the cognitive base of professionalism and providing opportunities for the internalization of its values and behaviors are the cornerstones of the organization of the teaching of professionalism at all levels. Situated learning theory appears to provide practical guidance as to how this may be implemented. While the application of this theory will vary with the type of curriculum, the institutional culture and the resources available, the principles outlined should remain constant.

This preliminary study suggests that the P-MEX is a feasible format for evaluating professionalism in clinical training.